51001151217 has 16 divisors (see below), whose sum is σ = 68252997120. Its totient is φ = 33875251200.

The previous prime is 51001151191. The next prime is 51001151221. The reversal of 51001151217 is 71215110015.

It is not a de Polignac number, because 51001151217 - 2⁶ = 51001151153 is a prime.

It is a super-2 number, since 2×51001151217² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51001151417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 944992 + ... + 997502.

It is an arithmetic number, because the mean of its divisors is an integer number (4265812320).

Almost surely, 2^51001151217 is an apocalyptic number.

It is an amenable number.

51001151217 is a deficient number, since it is larger than the sum of its proper divisors (17251845903).

51001151217 is a wasteful number, since it uses less digits than its factorization.

51001151217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53704.

The product of its (nonzero) digits is 350, while the sum is 24.

The spelling of 51001151217 in words is "fifty-one billion, one million, one hundred fifty-one thousand, two hundred seventeen".